On Friday, 2 June 2023 11:30:17 CEST Alexandre Oliva wrote: > I also noticed the same test is failing on rtems6 (at least with gcc > 11). AFAICT the problem is that _GLIBCXX_SIMD_MATH_CALL* macros in > simd_math.h expect the named functions to be in std::, but I get such > errors as: > > .../aarch64-rtems6/include/c++/11.4.1/experimental/bits/simd_math.h:1299: > error: 'remainder' is not a member of 'std' > .../aarch64-rtems6/include/c++/11.4.1/experimental/bits/simd_math.h:1299: > note: suggested alternatives: [...] > .../aarch64-rtems6/include/math.h:346: note: 'remainder' > [...] > .../aarch64-rtems6/include/c++/11.4.1/experimental/bits/simd_math.h:1299: > note: 'std::experimental::parallelism_v2::remainder' > .../aarch64-rtems6/include/c++/11.4.1/experimental/bits/simd_math.h:1299: > error: template argument 1 is invalid [...] > .../aarch64-rtems6/include/c++/11.4.1/experimental/bits/simd_math.h:1328: > error: 'fmin' is not a member of 'std'; did you mean 'min'? > .../aarch64-rtems6/include/c++/11.4.1/experimental/bits/simd_math.h:1328: > error: 'fmin' is not a member of 'std'; did you mean 'min'? > .../aarch64-rtems6/include/c++/11.4.1/experimental/bits/simd_math.h:1328: > error: template argument 1 is invalid > > ISTM that rtems is missing some of the math.h functions expected by > libstdc++, but also that even those that are present are not visible in > namespace ::std::, where the macros reasonably expect to find them. Is > this known? Should I file a PR about it?
I had/have no idea. Is rtems6 using the "freestanding" subset of C++? In which case simd shouldn't be there at all. Otherwise <cmath> should work, no? - Matthias -- ────────────────────────────────────────────────────────────────────────── Dr. Matthias Kretz https://mattkretz.github.io GSI Helmholtz Centre for Heavy Ion Research https://gsi.de stdₓ::simd ──────────────────────────────────────────────────────────────────────────
